#include <stdio.h>
#include <stdlib.h>

typedef struct node{
    char *name;
    struct node *next;
} node;
void addNode(node **start, char *str)
{
    node *newNode = malloc(sizeof(node));
    newNode -> name = str;
    newNode-> next = NULL;
    if (*start == NULL)
    {
        *start = newNode;
    } else {
        node *current = *start;
        while (current -> next != NULL)
        {
            current = current -> next;
        }
        current -> next = newNode;
    }
}
int main() {
    node *head = NULL;
    char *str;
    scanf("%s", str);
    addNode(&head, str);
    addNode(&head, "abouqassime");
    while (head != NULL)
    {
        printf("%s ", head->name);
        head = head-> next;
    }
    
    return 0;
}